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8faeecead0
This (r232027) has caused PR22883; so it seems those bits might be used by something else after all. Reverting until we can figure out what else to do. Original commit message: The operand flag word for ISD::INLINEASM nodes now contains a 15-bit memory constraint ID when the operand kind is Kind_Mem. This constraint ID is a numeric equivalent to the constraint code string and is converted with a target specific hook in TargetLowering. This patch maps all memory constraints to InlineAsm::Constraint_m so there is no functional change at this point. It just proves that using these previously unused bits in the encoding of the flag word doesn't break anything. The next patch will make each target preserve the current mapping of everything to Constraint_m for itself while changing the target independent implementation of the hook to return Constraint_Unknown appropriately. Each target will then be adapted in separate patches to use appropriate Constraint_* values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232093 91177308-0d34-0410-b5e6-96231b3b80d8 |
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